org.objectweb.asm.tree.IincInsnNode Java Examples

public static boolean insnEqual(AbstractInsnNode node1, AbstractInsnNode node2) {
	if (node1.getOpcode() != node2.getOpcode()) {
		return false;
	}

	switch (node2.getType()) {
		case VAR_INSN:
			return varInsnEqual((VarInsnNode) node1, (VarInsnNode) node2);
		case TYPE_INSN:
			return typeInsnEqual((TypeInsnNode) node1, (TypeInsnNode) node2);
		case FIELD_INSN:
			return fieldInsnEqual((FieldInsnNode) node1, (FieldInsnNode) node2);
		case METHOD_INSN:
			return methodInsnEqual((MethodInsnNode) node1, (MethodInsnNode) node2);
		case LDC_INSN:
			return ldcInsnEqual((LdcInsnNode) node1, (LdcInsnNode) node2);
		case IINC_INSN:
			return iincInsnEqual((IincInsnNode) node1, (IincInsnNode) node2);
		case INT_INSN:
			return intInsnEqual((IntInsnNode) node1, (IntInsnNode) node2);
		default:
			return true;
	}
}
 

public InsnValue incrementLocal(IincInsnNode iinc, InsnValue value) {
	Object obj = value.getValue();
	if (obj == null) {
		return newValue(value.getType());
	}
	if (value.getType().equals(Type.BYTE_TYPE)) {
		return InsnValue.byteValue((byte) (((Number) obj).byteValue() + iinc.incr));
	} else if (value.getType().equals(Type.INT_TYPE)) {
		return InsnValue.byteValue((int) (((Number) obj).intValue() + iinc.incr));
	} else if (value.getType().equals(Type.CHAR_TYPE)) {
		return InsnValue.charValue((char) (((Number) obj).intValue() + iinc.incr));
	} else if (value.getType().equals(Type.LONG_TYPE)) {
		return InsnValue.longValue((long) (((Number) obj).longValue() + iinc.incr));
	} else if (value.getType().equals(Type.DOUBLE_TYPE)) {
		return InsnValue.doubleValue((double) (((Number) obj).doubleValue() + iinc.incr));
	} else if (value.getType().equals(Type.FLOAT_TYPE)) {
		return InsnValue.floatValue((float) (((Number) obj).floatValue() + iinc.incr));
	} else if (value.getType().equals(Type.SHORT_TYPE)) {
		return InsnValue.shortValue((short) (((Number) obj).shortValue() + iinc.incr));
	}

	return null;
}
 

public static boolean insnEqual(AbstractInsnNode node1, AbstractInsnNode node2) {
	if (node1.getOpcode() != node2.getOpcode()) {
		return false;
	}

	switch (node2.getType()) {
		case VAR_INSN:
			return varInsnEqual((VarInsnNode) node1, (VarInsnNode) node2);
		case TYPE_INSN:
			return typeInsnEqual((TypeInsnNode) node1, (TypeInsnNode) node2);
		case FIELD_INSN:
			return fieldInsnEqual((FieldInsnNode) node1, (FieldInsnNode) node2);
		case METHOD_INSN:
			return methodInsnEqual((MethodInsnNode) node1, (MethodInsnNode) node2);
		case LDC_INSN:
			return ldcInsnEqual((LdcInsnNode) node1, (LdcInsnNode) node2);
		case IINC_INSN:
			return iincInsnEqual((IincInsnNode) node1, (IincInsnNode) node2);
		case INT_INSN:
			return intInsnEqual((IntInsnNode) node1, (IntInsnNode) node2);
		default:
			return true;
	}
}
 

public static boolean insnEqual(AbstractInsnNode node1, AbstractInsnNode node2) {
	if (node1.getOpcode() != node2.getOpcode()) {
		return false;
	}

	switch (node2.getType()) {
		case VAR_INSN:
			return varInsnEqual((VarInsnNode) node1, (VarInsnNode) node2);
		case TYPE_INSN:
			return typeInsnEqual((TypeInsnNode) node1, (TypeInsnNode) node2);
		case FIELD_INSN:
			return fieldInsnEqual((FieldInsnNode) node1, (FieldInsnNode) node2);
		case METHOD_INSN:
			return methodInsnEqual((MethodInsnNode) node1, (MethodInsnNode) node2);
		case LDC_INSN:
			return ldcInsnEqual((LdcInsnNode) node1, (LdcInsnNode) node2);
		case IINC_INSN:
			return iincInsnEqual((IincInsnNode) node1, (IincInsnNode) node2);
		case INT_INSN:
			return intInsnEqual((IntInsnNode) node1, (IntInsnNode) node2);
		default:
			return true;
	}
}
 

@Test
public void shouldNotMatchIncrementsToDifferentLocalVariable() {
  final Slot<Integer> slot = Slot.create(Integer.class);
  this.context.store(slot.write(), 42);
  final IincInsnNode node = new IincInsnNode(42 + 1, 1);
  assertFalse(incrementsVariable(slot.read()).test(this.context,node));
}
 

public static String toString(AbstractInsnNode ain) {
	String s = getOpcodeText(ain.getOpcode());
	switch (ain.getType()) {
	case AbstractInsnNode.FIELD_INSN:
		FieldInsnNode fin = (FieldInsnNode) ain;
		return s + " " + fin.owner + "#" + fin.name + " " + fin.desc;
	case AbstractInsnNode.METHOD_INSN:
		MethodInsnNode min = (MethodInsnNode) ain;
		return s + " " + min.owner + "#" + min.name + min.desc;
	case AbstractInsnNode.VAR_INSN:
		VarInsnNode vin = (VarInsnNode) ain;
		return s + " " + vin.var;
	case AbstractInsnNode.TYPE_INSN:
		TypeInsnNode tin = (TypeInsnNode) ain;
		return s + " " + tin.desc;
	case AbstractInsnNode.MULTIANEWARRAY_INSN:
		MultiANewArrayInsnNode mnin = (MultiANewArrayInsnNode) ain;
		return s + " " + mnin.dims + " " + mnin.desc;
	case AbstractInsnNode.JUMP_INSN:
		JumpInsnNode jin = (JumpInsnNode) ain;
		return s + " " + getIndex(jin.label);
	case AbstractInsnNode.LDC_INSN:
		LdcInsnNode ldc = (LdcInsnNode) ain;
		return s + " " + ldc.cst.toString();
	case AbstractInsnNode.INT_INSN:
		return s + " " + getIntValue(ain);
	case AbstractInsnNode.IINC_INSN:
		IincInsnNode iinc = (IincInsnNode) ain;
		return s + " " + iinc.var + " +" + iinc.incr;
	case AbstractInsnNode.FRAME:
		FrameNode fn = (FrameNode) ain;
		return s + " " + getOpcodeText(fn.type) + " " + fn.local.size() + " " + fn.stack.size();
	case AbstractInsnNode.LABEL:
		LabelNode ln = (LabelNode) ain;
		return s + " " + getIndex(ln);
	}
	return s;
}
 

@Test
public void shouldMatchIncrementsToStoredLocalVariable() {
  final Slot<Integer> slot = Slot.create(Integer.class);
  this.context.store(slot.write(), 42);
  final IincInsnNode node = new IincInsnNode(42, 1);
  assertTrue(incrementsVariable(slot.read()).test(this.context,node));
}
 

/**
 * Respects {@link #INT_WILDCARD} and {@link #WILDCARD} instruction properties.
 * Always returns true if {@code a} and {@code b} are label, line number, or frame instructions.
 * 
 * @return Whether or not the given instructions are equivalent.
 */
public boolean areInsnsEqual(AbstractInsnNode a, AbstractInsnNode b)
{
	if (a == b)
		return true;

	if (a == null || b == null)
		return false;

	if (a.equals(b))
		return true;

	if (a.getOpcode() != b.getOpcode())
		return false;

	switch (a.getType())
	{
		case AbstractInsnNode.VAR_INSN:
			return areVarInsnsEqual((VarInsnNode) a, (VarInsnNode) b);
		case AbstractInsnNode.TYPE_INSN:
			return areTypeInsnsEqual((TypeInsnNode) a, (TypeInsnNode) b);
		case AbstractInsnNode.FIELD_INSN:
			return areFieldInsnsEqual((FieldInsnNode) a, (FieldInsnNode) b);
		case AbstractInsnNode.METHOD_INSN:
			return areMethodInsnsEqual((MethodInsnNode) a, (MethodInsnNode) b);
		case AbstractInsnNode.LDC_INSN:
			return areLdcInsnsEqual((LdcInsnNode) a, (LdcInsnNode) b);
		case AbstractInsnNode.IINC_INSN:
			return areIincInsnsEqual((IincInsnNode) a, (IincInsnNode) b);
		case AbstractInsnNode.INT_INSN:
			return areIntInsnsEqual((IntInsnNode) a, (IntInsnNode) b);
		default:
			return true;
	}
}
 

/**
 * <p>
 * This method tracks for mapreduce output method. If found, a counter is
 * incremented.
 * </p>
 * 
 * @param startIndex
 *            Start index of the instructions
 * @param endIndex
 *            End index of the instructions
 */
private void handleCtxWrite(int startIndex, int endIndex) {
	for (int i = startIndex; i < endIndex; i++) {
		AbstractInsnNode ain = this.insnArr[i];
		if (ain instanceof MethodInsnNode) {
			MethodInsnNode min = (MethodInsnNode) ain;
			if (InstrumentUtil.isOutputMethod(min)) {
				// adding incremental statement
				InsnList il = new InsnList();
				il.add(new IincInsnNode(this.localVariableSize, 1));
				instructions.insertBefore(ain, il);
			}
		}
	}
}
 

private void convertIincInsn(IincInsnNode insn) {
	Local local = getLocal(insn.var);
	assignReadOps(local);
	if (!units.containsKey(insn)) {
		AddExpr add = Jimple.v().newAddExpr(local, IntConstant.v(insn.incr));
		setUnit(insn, Jimple.v().newAssignStmt(local, add));
	}
}
 

public static String toString(AbstractInsnNode ain) {
  String s = getOpcodeText(ain.getOpcode());
  switch (ain.getType()) {
  case AbstractInsnNode.FIELD_INSN:
    FieldInsnNode fin = (FieldInsnNode) ain;
    return s + " " + fin.owner + "#" + fin.name + " " + fin.desc;
  case AbstractInsnNode.METHOD_INSN:
    MethodInsnNode min = (MethodInsnNode) ain;
    return s + " " + min.owner + "#" + min.name + min.desc;
  case AbstractInsnNode.VAR_INSN:
    VarInsnNode vin = (VarInsnNode) ain;
    return s + " " + vin.var;
  case AbstractInsnNode.TYPE_INSN:
    TypeInsnNode tin = (TypeInsnNode) ain;
    return s + " " + tin.desc;
  case AbstractInsnNode.MULTIANEWARRAY_INSN:
    MultiANewArrayInsnNode mnin = (MultiANewArrayInsnNode) ain;
    return s + " " + mnin.dims + " " + mnin.desc;
  case AbstractInsnNode.JUMP_INSN:
    JumpInsnNode jin = (JumpInsnNode) ain;
    return s + " " + getIndex(jin.label);
  case AbstractInsnNode.LDC_INSN:
    LdcInsnNode ldc = (LdcInsnNode) ain;
    return s + " " + ldc.cst.toString();
  case AbstractInsnNode.INT_INSN:
    return s + " " + getIntValue(ain);
  case AbstractInsnNode.IINC_INSN:
    IincInsnNode iinc = (IincInsnNode) ain;
    return s + " " + iinc.var + " +" + iinc.incr;
  case AbstractInsnNode.FRAME:
    FrameNode fn = (FrameNode) ain;
    return s + " " + getOpcodeText(fn.type) + " " + fn.local.size() + " " + fn.stack.size();
  case AbstractInsnNode.LABEL:
    LabelNode ln = (LabelNode) ain;
    return s + " " + getIndex(ln);
  }
  return s;
}
 

public static void iinc(final Frame frame) {
    IincInsnNode iincInsnNode = frame.iincInsnNode();
    int index = iincInsnNode.var;
    int incr = iincInsnNode.incr;
    int value = frame.localVariables.getInt(index);
    int result = value + incr;
    frame.localVariables.setInt(index, result);

    //Log.result(frame.getCurrentOpCode(), result, value, "+", incr);
}
 

public static void iinc(final Frame frame) {
    IincInsnNode iincInsnNode = frame.iincInsnNode();
    int index = iincInsnNode.var;
    int incr = iincInsnNode.incr;
    int value = frame.localVariables.getInt(index);
    int result = value + incr;
    frame.localVariables.setInt(index, result);

    //Log.result(frame.getCurrentOpCode(), result, value, "+", incr);
}
 

public static String toString(AbstractInsnNode ain) {
	String s = getOpcodeText(ain.getOpcode());
	switch (ain.getType()) {
	case AbstractInsnNode.FIELD_INSN:
		FieldInsnNode fin = (FieldInsnNode) ain;
		return s + " " + fin.owner + "#" + fin.name + " " + fin.desc;
	case AbstractInsnNode.METHOD_INSN:
		MethodInsnNode min = (MethodInsnNode) ain;
		return s + " " + min.owner + "#" + min.name + min.desc;
	case AbstractInsnNode.VAR_INSN:
		VarInsnNode vin = (VarInsnNode) ain;
		return s + " " + vin.var;
	case AbstractInsnNode.TYPE_INSN:
		TypeInsnNode tin = (TypeInsnNode) ain;
		return s + " " + tin.desc;
	case AbstractInsnNode.JUMP_INSN:
		JumpInsnNode jin = (JumpInsnNode) ain;
		return s + " " + getIndex(jin.label);
	case AbstractInsnNode.LDC_INSN:
		LdcInsnNode ldc = (LdcInsnNode) ain;
		return s + " " + ldc.cst.toString();
	case AbstractInsnNode.INT_INSN:
		return s + " " + getIntValue(ain);
	case AbstractInsnNode.IINC_INSN:
		IincInsnNode iinc = (IincInsnNode) ain;
		return s + " " + iinc.var + " +" + iinc.incr;
	case AbstractInsnNode.FRAME:
		FrameNode fn = (FrameNode) ain;
		return s + " " + getOpcodeText(fn.type) + " " + fn.local.size() + " " + fn.stack.size();
	case AbstractInsnNode.LABEL:
		LabelNode ln = (LabelNode) ain;
		return s + " " + getIndex(ln);
	}
	return s;
}
 

@Override
public IincInsnNode deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
    JsonObject jsonObject = (JsonObject) json;
    int var, incr;
    var = jsonObject.get("var").getAsInt();
    incr = jsonObject.get("incr").getAsInt();
    return new IincInsnNode(var, incr);
}
 

@Override
public JsonElement serialize(IincInsnNode src, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject jsonObject = new JsonObject();
    jsonObject.add("var", context.serialize(src.var, Integer.class));
    jsonObject.add("incr", context.serialize(src.incr, Integer.class));
    return jsonObject;
}
 

@Override
public boolean accept(AbstractInsnNode t) {
	if (!(t instanceof IincInsnNode))
		return false;
	return incFilter.accept(((IincInsnNode) t).incr) && varFilter.accept(((IincInsnNode) t).var);
}
 

@Override
protected void process(MethodContext context, IincInsnNode node) {
    props.put("incr", String.valueOf(node.incr));
    props.put("var", String.valueOf(node.var));
}
 

public void visitIincInsn(int var, int increment) {
	BytecodeStackFrameModifier.intepret(0, IINC, new IincInsnNode(var, increment), currentFrame, "");
	super.visitIincInsn(var, increment);
}
 

public static Match<AbstractInsnNode> incrementsVariable(final SlotRead<Integer> counterVariable) {
 return (context, a) -> (a instanceof IincInsnNode)
     && context.retrieve(counterVariable).filter(isEqual(((IincInsnNode)a).var)).isPresent();
}
 

public CodeBlock visitIincInsn(final int varIndex, final int increment)
{
    instructionList.add(new IincInsnNode(varIndex, increment));
    return this;
}
 

public CodeBlock iinc(final int varIndex, final int increment)
{
    instructionList.add(new IincInsnNode(varIndex, increment));
    return this;
}
 

private boolean areIincInsnsEqual(IincInsnNode a, IincInsnNode b)
{
	return intValuesMatch(a.var, b.var) && intValuesMatch(a.incr, b.incr);
}
 

/**
 * For each element in an object array, performs an action.
 * @param counterVar parameter used to keep track of count in loop
 * @param arrayLenVar parameter used to keep track of array length
 * @param array object array instruction list -- must leave an array on the stack
 * @param action action to perform on each element -- element will be at top of stack and must be consumed by these instructions
 * @return instructions instruction list to perform some action if two ints are equal
 * @throws NullPointerException if any argument is {@code null}
 */
public static InsnList forEach(Variable counterVar, Variable arrayLenVar, InsnList array, InsnList action) {
    Validate.notNull(counterVar);
    Validate.notNull(arrayLenVar);
    Validate.notNull(array);
    Validate.notNull(action);
    Validate.isTrue(counterVar.getType().equals(Type.INT_TYPE));
    Validate.isTrue(arrayLenVar.getType().equals(Type.INT_TYPE));
    
    
    InsnList ret = new InsnList();
    
    LabelNode doneLabelNode = new LabelNode();
    LabelNode loopLabelNode = new LabelNode();
    
    // put zero in to counterVar
    ret.add(new LdcInsnNode(0)); // int
    ret.add(new VarInsnNode(Opcodes.ISTORE, counterVar.getIndex())); //
    
    // load array we'll be traversing over
    ret.add(array); // object[]
    
    // put array length in to arrayLenVar
    ret.add(new InsnNode(Opcodes.DUP)); // object[], object[]
    ret.add(new InsnNode(Opcodes.ARRAYLENGTH)); // object[], int
    ret.add(new VarInsnNode(Opcodes.ISTORE, arrayLenVar.getIndex())); // object[]
    
    // loopLabelNode: test if counterVar == arrayLenVar, if it does then jump to doneLabelNode
    ret.add(loopLabelNode);
    ret.add(new VarInsnNode(Opcodes.ILOAD, counterVar.getIndex())); // object[], int
    ret.add(new VarInsnNode(Opcodes.ILOAD, arrayLenVar.getIndex())); // object[], int, int
    ret.add(new JumpInsnNode(Opcodes.IF_ICMPEQ, doneLabelNode)); // object[]
    
    // load object from object[]
    ret.add(new InsnNode(Opcodes.DUP)); // object[], object[]
    ret.add(new VarInsnNode(Opcodes.ILOAD, counterVar.getIndex())); // object[], object[], int
    ret.add(new InsnNode(Opcodes.AALOAD)); // object[], object
    
    // call action
    ret.add(action); // object[]
    
    // increment counter var and goto loopLabelNode
    ret.add(new IincInsnNode(counterVar.getIndex(), 1)); // object[]
    ret.add(new JumpInsnNode(Opcodes.GOTO, loopLabelNode)); // object[]
    
    // doneLabelNode: pop object[] off of stack
    ret.add(doneLabelNode);
    ret.add(new InsnNode(Opcodes.POP)); //
    
    return ret;
}
 

@SuppressWarnings("deprecation")
private void _visitInsn(AbstractInsnNode insn) {
	switch (insn.getType()) {
		case 0:
			visitInsn(insn.getOpcode());
			break;
		case 1:
			IntInsnNode iinsn = (IntInsnNode) insn;
			visitIntInsn(iinsn.getOpcode(), iinsn.operand);
			break;
		case 2:
			VarInsnNode vinsn = (VarInsnNode) insn;
			visitVarInsn(vinsn.getOpcode(), vinsn.var);
			break;
		case 3:
			TypeInsnNode tinsn = (TypeInsnNode) insn;
			visitTypeInsn(tinsn.getOpcode(), tinsn.desc);
			break;
		case 4:
			FieldInsnNode finsn = (FieldInsnNode) insn;
			visitFieldInsn(finsn.getOpcode(), finsn.owner, finsn.name, finsn.desc);
			break;
		case 5:
			MethodInsnNode minsn = (MethodInsnNode) insn;
			visitMethodInsn(minsn.getOpcode(), minsn.owner, minsn.name, minsn.desc);
			break;
		case 6:
			InvokeDynamicInsnNode idinsn = (InvokeDynamicInsnNode) insn;
			visitInvokeDynamicInsn(idinsn.name, idinsn.desc, idinsn.bsm, idinsn.bsmArgs);
			break;
		case 7:
			JumpInsnNode jinsn = (JumpInsnNode) insn;
			visitJumpInsn(jinsn.getOpcode(), jinsn.label.getLabel());
			break;
		case 8:
			LabelNode linsn = (LabelNode) insn;
			visitLabel(linsn.getLabel());
			break;
		case 9:
			LdcInsnNode ldcinsn = (LdcInsnNode) insn;
			visitLdcInsn(ldcinsn.cst);
			break;
		case 10:
			IincInsnNode iiinsn = (IincInsnNode) insn;
			visitIincInsn(iiinsn.var, iiinsn.incr);
			break;
		case 11:
			TableSwitchInsnNode tsinsn = (TableSwitchInsnNode) insn;
			Label[] tslables = new Label[tsinsn.labels.size()];
			for (int i = 0; i < tslables.length; i++) {
				tslables[i] = tsinsn.labels.get(i).getLabel();
			}
			visitTableSwitchInsn(tsinsn.min, tsinsn.max, tsinsn.dflt.getLabel(), tslables);
			break;
		case 12:
			LookupSwitchInsnNode lsinsn = (LookupSwitchInsnNode) insn;
			Label[] lslables = new Label[lsinsn.labels.size()];
			for (int i = 0; i < lslables.length; i++) {
				lslables[i] = lsinsn.labels.get(i).getLabel();
			}
			int[] lskeys = new int[lsinsn.keys.size()];
			for (int i = 0; i < lskeys.length; i++) {
				lskeys[i] = lsinsn.keys.get(i);
			}
			visitLookupSwitchInsn(lsinsn.dflt.getLabel(), lskeys, lslables);
			break;
		case 13:
			MultiANewArrayInsnNode ainsn = (MultiANewArrayInsnNode) insn;
			visitMultiANewArrayInsn(ainsn.desc, ainsn.dims);
			break;
		case 14:
			FrameNode fnode = (FrameNode) insn;
			switch (fnode.type) {
				case -1:
				case 0:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), fnode.stack.size(), fnode.stack.toArray());
					break;
				case 1:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), 0, null);
					break;
				case 2:
					visitFrame(fnode.type, fnode.local.size(), null, 0, null);
					break;
				case 3:
					visitFrame(fnode.type, 0, null, 0, null);
					break;
				case 4:
					visitFrame(fnode.type, 0, null, 1, fnode.stack.toArray());
			}
			break;
		case 15:
			LineNumberNode lnode = (LineNumberNode) insn;
			visitLineNumber(lnode.line, lnode.start.getLabel());
			break;
	}
}
 

public static String toString(AbstractInsnNode ain) {
	String opc = TextUtils.toBold(OpUtils.getOpcodeText(ain.getOpcode()).toLowerCase()) + " ";
	switch (ain.getType()) {
	case AbstractInsnNode.LABEL:
		opc = TextUtils.toLight("label " + OpUtils.getLabelIndex((LabelNode) ain));
		break;
	case AbstractInsnNode.LINE:
		opc = TextUtils.toLight("line " + ((LineNumberNode) ain).line);
		break;
	case AbstractInsnNode.FIELD_INSN:
		FieldInsnNode fin = (FieldInsnNode) ain;
		opc += getDisplayType(TextUtils.escape(fin.desc), true) + " " + getDisplayClassRed(TextUtils.escape(fin.owner))
				+ "." + fin.name;
		break;
	case AbstractInsnNode.METHOD_INSN:
		MethodInsnNode min = (MethodInsnNode) ain;
		if (min.desc.contains(")")) {
			opc += getDisplayType(min.desc.split("\\)")[1], true);
		} else {
			opc += min.desc;
		}
		opc += " " + getDisplayClassRed(TextUtils.escape(min.owner)) + "." + TextUtils.escape(min.name) + "("
				+ getDisplayArgs(TextUtils.escape(min.desc)) + ")";
		break;
	case AbstractInsnNode.VAR_INSN:
		VarInsnNode vin = (VarInsnNode) ain;
		opc += vin.var;
		break;
	case AbstractInsnNode.TYPE_INSN:
		TypeInsnNode tin = (TypeInsnNode) ain;
		String esc = TextUtils.escape(tin.desc);
		if (esc.endsWith(";") && esc.startsWith("L")) {
			opc += TextUtils.addTag(esc, "font color=" + primColor.getString());
		} else {
			opc += getDisplayClass(esc);
		}
		break;
	case AbstractInsnNode.MULTIANEWARRAY_INSN:
		MultiANewArrayInsnNode mnin = (MultiANewArrayInsnNode) ain;
		opc += mnin.dims + " " + getDisplayType(TextUtils.escape(mnin.desc), true);
		break;
	case AbstractInsnNode.JUMP_INSN:
		JumpInsnNode jin = (JumpInsnNode) ain;
		opc += OpUtils.getLabelIndex(jin.label);
		break;
	case AbstractInsnNode.LDC_INSN:
		LdcInsnNode ldc = (LdcInsnNode) ain;
		opc += TextUtils.addTag(ldc.cst.getClass().getSimpleName(), "font color=" + primColor.getString()) + " ";
		if (ldc.cst instanceof String)
			opc += TextUtils.addTag("\"" + TextUtils.escape(ldc.cst.toString()) + "\"", "font color=#559955");
		else {
			opc += ldc.cst.toString();
		}
		break;
	case AbstractInsnNode.INT_INSN:
		opc += OpUtils.getIntValue(ain);
		break;
	case AbstractInsnNode.IINC_INSN:
		IincInsnNode iinc = (IincInsnNode) ain;
		opc += iinc.var + " " + iinc.incr;
		break;
	case AbstractInsnNode.FRAME:
		FrameNode fn = (FrameNode) ain;
		opc = TextUtils
				.toLight(OpUtils.getFrameType(fn.type).toLowerCase() + " " + fn.local.size() + " " + fn.stack.size());
		break;
	case AbstractInsnNode.TABLESWITCH_INSN:
		TableSwitchInsnNode tsin = (TableSwitchInsnNode) ain;
		if (tsin.dflt != null) {
			opc += TextUtils.addTag("L" + OpUtils.getLabelIndex(tsin.dflt), "font color=" + secColor.getString());
		}
		if (tsin.labels.size() < 20) {
			for (LabelNode l : tsin.labels) {
				opc += " " + TextUtils.addTag("L" + OpUtils.getLabelIndex(l), "font color=" + primColor.getString());
			}
		} else {
			opc += " " + TextUtils.addTag(tsin.labels.size() + " cases", "font color=" + primColor.getString());
		}
		break;
	case AbstractInsnNode.INVOKE_DYNAMIC_INSN:
		InvokeDynamicInsnNode idin = (InvokeDynamicInsnNode) ain;
		Object[] arr = idin.bsmArgs;
		if (arr.length > 1) {
			Object o = arr[1];
			if (o instanceof Handle) {
				Handle h = (Handle) o;
				opc += getDisplayType(h.getDesc().split("\\)")[1], true) + " "
						+ getDisplayClassRed(TextUtils.escape(h.getOwner())) + "." + TextUtils.escape(h.getName()) + "("
						+ getDisplayArgs(TextUtils.escape(h.getDesc())) + ")";

			}
		} else {
			opc += TextUtils.addTag(TextUtils.escape(idin.name), "font color=" + primColor.getString()) + " "
					+ TextUtils.escape(idin.desc);
		}
		break;
	}
	return opc;
}
 

public static boolean iincInsnEqual(IincInsnNode node1, IincInsnNode node2) {
	return node1.var == node2.var && node1.incr == node2.incr;
}
 

@SuppressWarnings("deprecation")
private void _visitInsn(AbstractInsnNode insn) {
	switch (insn.getType()) {
		case 0:
			visitInsn(insn.getOpcode());
			break;
		case 1:
			IntInsnNode iinsn = (IntInsnNode) insn;
			visitIntInsn(iinsn.getOpcode(), iinsn.operand);
			break;
		case 2:
			VarInsnNode vinsn = (VarInsnNode) insn;
			visitVarInsn(vinsn.getOpcode(), vinsn.var);
			break;
		case 3:
			TypeInsnNode tinsn = (TypeInsnNode) insn;
			visitTypeInsn(tinsn.getOpcode(), tinsn.desc);
			break;
		case 4:
			FieldInsnNode finsn = (FieldInsnNode) insn;
			visitFieldInsn(finsn.getOpcode(), finsn.owner, finsn.name, finsn.desc);
			break;
		case 5:
			MethodInsnNode minsn = (MethodInsnNode) insn;
			visitMethodInsn(minsn.getOpcode(), minsn.owner, minsn.name, minsn.desc);
			break;
		case 6:
			InvokeDynamicInsnNode idinsn = (InvokeDynamicInsnNode) insn;
			visitInvokeDynamicInsn(idinsn.name, idinsn.desc, idinsn.bsm, idinsn.bsmArgs);
			break;
		case 7:
			JumpInsnNode jinsn = (JumpInsnNode) insn;
			visitJumpInsn(jinsn.getOpcode(), jinsn.label.getLabel());
			break;
		case 8:
			LabelNode linsn = (LabelNode) insn;
			visitLabel(linsn.getLabel());
			break;
		case 9:
			LdcInsnNode ldcinsn = (LdcInsnNode) insn;
			visitLdcInsn(ldcinsn.cst);
			break;
		case 10:
			IincInsnNode iiinsn = (IincInsnNode) insn;
			visitIincInsn(iiinsn.var, iiinsn.incr);
			break;
		case 11:
			TableSwitchInsnNode tsinsn = (TableSwitchInsnNode) insn;
			Label[] tslables = new Label[tsinsn.labels.size()];
			for (int i = 0; i < tslables.length; i++) {
				tslables[i] = tsinsn.labels.get(i).getLabel();
			}
			visitTableSwitchInsn(tsinsn.min, tsinsn.max, tsinsn.dflt.getLabel(), tslables);
			break;
		case 12:
			LookupSwitchInsnNode lsinsn = (LookupSwitchInsnNode) insn;
			Label[] lslables = new Label[lsinsn.labels.size()];
			for (int i = 0; i < lslables.length; i++) {
				lslables[i] = lsinsn.labels.get(i).getLabel();
			}
			int[] lskeys = new int[lsinsn.keys.size()];
			for (int i = 0; i < lskeys.length; i++) {
				lskeys[i] = lsinsn.keys.get(i);
			}
			visitLookupSwitchInsn(lsinsn.dflt.getLabel(), lskeys, lslables);
			break;
		case 13:
			MultiANewArrayInsnNode ainsn = (MultiANewArrayInsnNode) insn;
			visitMultiANewArrayInsn(ainsn.desc, ainsn.dims);
			break;
		case 14:
			FrameNode fnode = (FrameNode) insn;
			switch (fnode.type) {
				case -1:
				case 0:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), fnode.stack.size(), fnode.stack.toArray());
					break;
				case 1:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), 0, null);
					break;
				case 2:
					visitFrame(fnode.type, fnode.local.size(), null, 0, null);
					break;
				case 3:
					visitFrame(fnode.type, 0, null, 0, null);
					break;
				case 4:
					visitFrame(fnode.type, 0, null, 1, fnode.stack.toArray());
			}
			break;
		case 15:
			LineNumberNode lnode = (LineNumberNode) insn;
			visitLineNumber(lnode.line, lnode.start.getLabel());
			break;
	}
}
 

public static boolean iincInsnEqual(IincInsnNode node1, IincInsnNode node2) {
	return node1.var == node2.var && node1.incr == node2.incr;
}
 

private void _visitInsn(AbstractInsnNode insn) {
	switch (insn.getType()) {
		case 0:
			visitInsn(insn.getOpcode());
			break;
		case 1:
			IntInsnNode iinsn = (IntInsnNode) insn;
			visitIntInsn(iinsn.getOpcode(), iinsn.operand);
			break;
		case 2:
			VarInsnNode vinsn = (VarInsnNode) insn;
			visitVarInsn(vinsn.getOpcode(), vinsn.var);
			break;
		case 3:
			TypeInsnNode tinsn = (TypeInsnNode) insn;
			visitTypeInsn(tinsn.getOpcode(), tinsn.desc);
			break;
		case 4:
			FieldInsnNode finsn = (FieldInsnNode) insn;
			visitFieldInsn(finsn.getOpcode(), finsn.owner, finsn.name, finsn.desc);
			break;
		case 5:
			MethodInsnNode minsn = (MethodInsnNode) insn;
			visitMethodInsn(minsn.getOpcode(), minsn.owner, minsn.name, minsn.desc);
			break;
		case 6:
			InvokeDynamicInsnNode idinsn = (InvokeDynamicInsnNode) insn;
			visitInvokeDynamicInsn(idinsn.name, idinsn.desc, idinsn.bsm, idinsn.bsmArgs);
			break;
		case 7:
			JumpInsnNode jinsn = (JumpInsnNode) insn;
			visitJumpInsn(jinsn.getOpcode(), jinsn.label.getLabel());
			break;
		case 8:
			LabelNode linsn = (LabelNode) insn;
			visitLabel(linsn.getLabel());
			break;
		case 9:
			LdcInsnNode ldcinsn = (LdcInsnNode) insn;
			visitLdcInsn(ldcinsn.cst);
			break;
		case 10:
			IincInsnNode iiinsn = (IincInsnNode) insn;
			visitIincInsn(iiinsn.var, iiinsn.incr);
			break;
		case 11:
			TableSwitchInsnNode tsinsn = (TableSwitchInsnNode) insn;
			Label[] tslables = new Label[tsinsn.labels.size()];
			for (int i = 0; i < tslables.length; i++) {
				tslables[i] = tsinsn.labels.get(i).getLabel();
			}
			visitTableSwitchInsn(tsinsn.min, tsinsn.max, tsinsn.dflt.getLabel(), tslables);
			break;
		case 12:
			LookupSwitchInsnNode lsinsn = (LookupSwitchInsnNode) insn;
			Label[] lslables = new Label[lsinsn.labels.size()];
			for (int i = 0; i < lslables.length; i++) {
				lslables[i] = lsinsn.labels.get(i).getLabel();
			}
			int[] lskeys = new int[lsinsn.keys.size()];
			for (int i = 0; i < lskeys.length; i++) {
				lskeys[i] = lsinsn.keys.get(i);
			}
			visitLookupSwitchInsn(lsinsn.dflt.getLabel(), lskeys, lslables);
			break;
		case 13:
			MultiANewArrayInsnNode ainsn = (MultiANewArrayInsnNode) insn;
			visitMultiANewArrayInsn(ainsn.desc, ainsn.dims);
			break;
		case 14:
			FrameNode fnode = (FrameNode) insn;
			switch (fnode.type) {
				case -1:
				case 0:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), fnode.stack.size(), fnode.stack.toArray());
					break;
				case 1:
					visitFrame(fnode.type, fnode.local.size(), fnode.local.toArray(), 0, null);
					break;
				case 2:
					visitFrame(fnode.type, fnode.local.size(), null, 0, null);
					break;
				case 3:
					visitFrame(fnode.type, 0, null, 0, null);
					break;
				case 4:
					visitFrame(fnode.type, 0, null, 1, fnode.stack.toArray());
			}
			break;
		case 15:
			LineNumberNode lnode = (LineNumberNode) insn;
			visitLineNumber(lnode.line, lnode.start.getLabel());
			break;
	}
}